🔬

Nagaraj Tantri ntantri

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I love to solve problems !

ntantri / SelectFiltersBuilderExample.java

Created January 10, 2022 13:29

Builder pattern usage with a real example

	package org.java.sample.tutorials.designpatterns.builder;

	import java.time.LocalDateTime;
	import java.time.format.DateTimeFormatter;
	import java.util.Map;

	public class SelectFiltersBuilderExample {

	private final String advertiserID;
	private final String campaignID;

ntantri / SelectFiltersComplexNonBuilderExample.java

Last active January 10, 2022 13:11

This class acts like a POJO for saving data for mandatory and optional parameters with multiple constructors or setters and getters

	package org.java.sample.tutorials.designpatterns.builder;

	import java.time.LocalDateTime;
	import java.time.format.DateTimeFormatter;
	import java.util.Map;

	/**
	* SelectFiltersComplexClassExample class is a placeholder for storing information about UI
	* based filter selection for fetching a set of results from backend.
	* <p>

ntantri / get_s3_tags.py

Last active May 19, 2021 09:13

This script is useful to pull all the S3 bucket names and its relevant Tags from AWS S3 to a CSV file programmatically.

	#!/bin/python

	"""
	This script is useful to pull all the S3 bucket names and it's relevant tags from AWS S3 to a CSV file programmatically.

	Some highlights on this script:
	* One has to provide all the tags which has to be read and converted to a CSV Header
	* These tags are mentioned in TagSets class, wherein, the variables like: "OWNER", "TEAM" and all is available in S3 tags
	* Create a CSV order in which format/sequence do you want the headers using "ORDER" array in TagSets
	* Execute this script as `python get_s3_tags.py`

ntantri / process.sh

Created October 12, 2020 12:28 — forked from d6y/process.sh

Batch convert HTML to Markdown

	#!/bin/bash

	# Converts HTML from https://exportmyposts.jazzychad.net/ exports to Markdown

	POSTS_DIR=/Users/richard/Desktop/d6y/posts

	for file in $POSTS_DIR/*.html
	do
	echo $file

ntantri / trust_relationship.js

Created September 12, 2019 06:59

Trust Relationship for AssumeRole

ntantri / assume_role.js

Created September 12, 2019 06:56

Assume Policy For Cross AWS Account

	{
	"Version": "2019-08-17",
	"Statement": [
	{
	"Sid": "VisualEditor0",
	"Effect": "Allow",
	"Action": [
	"sts:DecodeAuthorizationMessage",
	"sts:GetAccessKeyInfo",
	"sts:GetCallerIdentity"

ntantri / download_s3_files_cross_account_iam.py

Last active July 3, 2019 17:45

This file will help download files from S3 which uses IAM assume role for cross account collaboration

	#!/usr/bin/python
	# -- coding: utf-8 --

	import argparse
	import boto3


	def fetch_s3_client_object(credentials):
	"""
	Return the s3 object that would be used.

ntantri / s3_executor.py

Last active December 3, 2023 18:09

An executor library which uses the select_runner.py to run queries on AWS S3 files.

ntantri / select_runner.py

Last active April 22, 2021 04:45

AWS S3 Select Runner - used to execute queries on S3 files

	import boto3


	s3 = boto3.client('s3')


	def write_to_file(r, output_file):
	"""
	This function would write the output to the file.